// Last edited on 2020-03-24 22:49:50 by jstolfi

#macro round_to_int(xx)
  // Rounds {xx} to nearest int.
  #local yy = floor(xx + 0.5);
  yy
#end

#macro round_to_half(xx)
  // Rounds {xx} to nearest half-int.
  #local yy = floor(2*xx + 0.5);
  (0.5*yy)
#end